Home / 135,863.19-187,497.06-75,433.83

Finding the Fourth Proportional to 135,863.19, 187,497.06 and 75,433.83

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Solution

The fourth proportional to 135,863.19, 187,497.06 and 75,433.83 is: 104,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,863.19 : 187,497.06 = 75,433.83 : x
  2. Step 2: Convert to fraction form
    135,863.19/187,497.06 = 75,433.83/x
  3. Step 3: Cross multiply
    135,863.19x = 187,497.06 × 75,433.83
  4. Step 4: Simplify right side
    135,863.19x = 14,143,620,972.37
  5. Step 5: Solve for x
    x = 14,143,620,972.37/135,863.19
  6. Step 6: Final answer
    x = 104,101.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.